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Nightforce

NIGHTFORCE XTRM 30mm Top Half of Ring with Bubble Level - 4 or 6 Screw Versions - Available with Angle Degree Indicator Mount

  • Based on 64 reviews
Condition: New
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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Sep 25
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Style: 6 Screw


Features

  • TOP RING WITH LEVEL - This XTRM Top Half of Ring With Level replaces the top ring of 30mm Unimount, Direct Mount, Magmount and Ultralite rings and NightForce's 30mm steel rings
  • INTEGRATED BUBBLE LEVEL - Integrated bubble level allows to level your gun for maximum accuracy that is necessary for precise shooting
  • OPTIONS - Available with integral Angle Degree Indicator mount or as top ring with bubble level only; Available in both four-screw and six-screw versions
  • NOTE - Clean all mating surfaces thoroughly before mounting; Use a torque wrench and do not exceed recommended torque values: Cap Screws - 25 in lb, MultiMount Rail Screws - 25 in lb
  • NIGHTFORCE - Since 1992, Nightforce has been creating the finest scopes that are used by professionals, hunters, and competitors; NightForce also provides a wide range of high-quality optics accessories

Description

NightForce X-Treme Duty 30mm Top Ring Bubble Level This top half of ring replaces the top ring of our 30mm Unimount, Direct Mount, Magmount and Ultralite rings and our 30mm steel rings. Available with integral Angle Degree Indicator mount or as top ring/bubble level only. Available in both four-screw and six-screw versions. The Bubble Level with integral ADI mount (A129) can be turned either way for left- or right-handed actions. NOTE - Clean all mating surfaces thoroughly before mounting; Use a torque wrench and do not exceed recommended torque values: Cap Screws - 25 in lb, MultiMount Rail Screws - 25 in lb. Since 1992, Nightforce has been creating the finest scopes that are used by professionals, hunters, and competitors. NightForce also provides a wide range of high-quality optics accessories

Brand: Nightforce


Color: Black


Style: 6 Screw


Operation Mode: Manual


UPC:


Brand: ‎Nightforce


Color: ‎Black


Style: ‎6 Screw


Operation Mode: ‎Manual


UPC: ‎847362008776


Manufacturer: ‎NightForce


Item Package Dimensions L x W x H: ‎5.35 x 4.72 x 1.89 inches


Package Weight: ‎0.05 Kilograms


Brand Name: ‎Nightforce


Model Name: ‎XTRM 30mm Top Half of Ring With Bubble Level


Suggested Users: ‎unisex-adult


Number of Items: ‎1


Part Number: ‎A359


Included Components: ‎item


Date First Available: January 16, 2015


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Sep 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • High quality - a little pricey.
Style: 4 Screw
Nightforce is high end stuff. A little pricey, but good quality.
Reviewed in the United States on June 12, 2025 by HDS
    • works great
Style: 4 Screw
works perfectly for my use
Reviewed in the United States on June 14, 2025 by Gary A Boyd
    • Great item, correctly pictured.
Style: 4 Screw
Review Image by Larry in NC Larry in NC
The level is very well made and is easy to install in place of the previous top half of the ring. I've used mine for just short of two months now with about 500 rounds downrange, and it's worked as advertised, with no breakage and no tendency for the bubble to split into multiple bubbles. I was concerned that it may be difficult to see with middle aged eyes when mounted on the rear ring (and it would be hard to see if mounted on the front ring with the elevation turret in front of the level). However that has not been the case. It's easy to look up slightly and ensure the bubble is centered when setting up the shot. the level is blurred slightly with my middle age accommodation issues, but the lines are still visible and it's obvious whether the bubble is centered or not. That's a good thing as this design is much less exposed than a level that is offset to one side of the scope (but could be mounted forward of the turret). Envisioning a line between the rear of the eyepiece and the top of the turret makes it clear that dropping the rifle in a manner that would succeed in breaking the level, would create far greater problems for you than a broken sight glass in the level. If you want to get full utility out of it, care needs to taken to ensure that the ring half/bubble level is mounted so that it is level when the crosshairs are level. If you've already properly leveled the scope in the rings, you just need to verify the ring half is level when the vertical crosshair is parallel to a plumb line suspended far enough in front of the scope to see at low magnification, and snug the screws up for the ring half while maintaining a centered bubble. If not, you'll want to level the rifle, and then while maintaining a level rifle, level the scope in the rings with the plumb line and snug up the front ring to secure the scope in place, before leveling the rear ring half with the level and snugging it up as well. Then torque all 8 ring screws evenly and recheck that everything is level. This presumes a high quality scope where the reticle and scope adjustments are in alignment with each other. If there is a downside it's in the $78 purchase price for a bubble level ring half. But then if you're buying one you've already ponied up $150 or more for a set of Nightforce rings and should be used to the NF sticker shock by now. As for some of the negative reviews: I noted that the level pictured was the one with the angle indicator mount, not the basic model that was discussed in the text. Consequently, I was able to correctly determine I was ordering the basic model that I wanted. I guess that illustrates the value of actually reading the description to overcome a mistake by the person posting the picture on the website. To be fair to both sides, the incorrect picture was confusing, and the picture on the website is now correct, showing the basic bubble level with no angle indicator or mount for the angle indictor. In any case, the picture now matches the item and less actual reading is required. None of that should however reflect negatively on what is an excellent item. ... show more
Reviewed in the United States on October 28, 2015 by Larry in NC Larry in NC
    • Nice product
Style: 6 Screw
Review Image by Noah Brauer Noah Brauer
I’m eager to see this project induct in action. I feel like it will help me make good choices
Reviewed in the United States on January 31, 2024 by Noah Brauer Noah Brauer
    • High End
Style: 6 Screw
Nightforce is higher end stuff but never disappoints. Very useful ad on to your rifle.
Reviewed in the United States on May 30, 2022 by G-Rider
    • DUH... it’s nightforce
Style: 4 Screw
Perfect fit- great location for a level bubble. I have the vortex ones on other guns, but this one is far the best
Reviewed in the United States on March 13, 2021 by Amazon Customer
    • Great product
Style: 4 Screw
Not much to say it works and it looks good low profile i like it.
Reviewed in the United States on October 23, 2018 by Amazon Customer
    • Four Stars
Style: 4 Screw
Fits well
Reviewed in the United States on June 4, 2015 by tony griffore

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